2021A12 Define the terms tolerance and tachyphylaxis. Discuss the different mechanisms by which tolerance can develop, giving examples where appropriate. HGH, Retatrutide, MOTS c, and GHK Cu are an excellent combination for me at the moment. Here is why HGH (Human Growth Hormone) Supports recovery and tissue repair Helps maintain lean Tachyphylaxis an overview ScienceDirect Topics Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Functional dynamics of G protein coupled receptors reveal new routes for drug discovery Nature Reviews Drug Discovery